我是未经雕琢的钻石，闪耀如黄金。

There is no solitude in the world like that of the big city.

跨行业和政府的合作对于应对气候变化的全球挑战至关重要。

The more you see yourself as a teacher, mentor and coach, the more likely you're going to be successful in building your own enterprise.

要求对并非直接被给予的对象提供先天证明，是徒劳的。